气动阀门定位器 气动阀门定位器的英文 英语翻译 pneumatic positioner valve 拓展翻译 气动阀air operated valve气动薄膜调节阀pneumatic diaphragm control valve气动泵pneumatic pump气动操纵air operated control气动舂penumatic rammer气动锤钻compressed air hammer drill气动单元组合仪表QDZ气动弹性aeroelasticity气动捣锤air rammer气动捣杆penumatic rammer气动捣砂pneumatic ramming气动的pneumaticair-operated气动吊车air hoist; pneumatic hoist气动吊重机air motor hoist气动工具air tool; pneumatic tool气动工具油air-tool oil气动号志air signal气动回路pneumatic circuit气动计算机pneumatic computer气动加热aerodynamic heating